/*
 *    Copyright 2009-2010 The Rocoto Team
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package com.rocoto.system;

import java.util.Map.Entry;

import com.google.inject.AbstractModule;

/**
 * Binds Environment Variables into Guice binder.
 *
 * @author Simone Tripodi
 * @version $Id: EnvironmentVariablesModule.java 82 2010-01-02 19:13:00Z simone.tripodi $
 */
public final class EnvironmentVariablesModule extends AbstractModule {

    /**
     * {@inheritDoc}
     */
    @Override
    protected void configure() {
        for (Entry<String, String> envVar : System.getenv().entrySet()) {
            this.bindConstant()
                .annotatedWith(new EnvironmentVariableImpl(envVar.getKey()))
                .to(envVar.getValue());
        }
    }

}
